19112840

素因数分解:

$2^3\times 5^1\times {\mathrm{477821}}^1$

素因数の和:477832

約数の個数: 16

約数和(自身を含む): 43003980

約数和(自身を除く): 23891140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 477821, 955642, 1911284, 2389105, 3822568, 4778210, 9556420, 19112840]

約数ペア:

[(1, 19112840), (2, 9556420), (4, 4778210), (5, 3822568), (8, 2389105), (10, 1911284), (20, 955642), (40, 477821)]